<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		<button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
		<text class="tips-text">登录后尽享更多权益</text>
	</view>
</template>

<script>
	import {mapMutations,mapState} from 'vuex'
	
	export default {
		data() {
			return {

			};
		},
		computed: {
			...mapState('m_user',['redirectInfo'])
		},
		methods: {
			...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
			getUserProfile() {
				uni.getUserProfile({
					desc: "登录",
					success: (res) => {
						console.log(res.userInfo)
						this.updateUserInfo(res.userInfo)
						
						this.getToken(res)
					},
					fail: (err) => {
						uni.$showMsg('您取消了登录授权！')
					}
				})
			},
			async getToken(info){
				//获取code对应的值
				const [err,res] = await uni.login().catch(err => err)
				
				if(err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败！')
				
				//准备参数
				const query = {
				    code: res.code,
				    encryptedData: info.encryptedData,
				    iv: info.iv,
				    rawData: info.rawData,
				    signature: info.signature
				  }
				
				const { data: loginResult } = await uni.$http.post('/api/public/v1/users/wxlogin', query)
				if (loginResult.meta.status !== 400) return uni.$showMsg('登录失败！')
				
				//直接把token保存到vuex中
				this.updateToken("Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo")
				this.navigateBack()
			},
			navigateBack(){
				if(this.redirectInfo && this.redirectInfo.openType === 'switchTab'){
					uni.switchTab({
						url:this.redirectInfo.from,
						complete: () => {
							this.updateRedirectInfo(null)
						}
					})
				}
			}
		}
	}
</script>

<style lang="scss">
	.login-container {
		height: 750rpx;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		background-color: #f8f8f8;
		position: relative;
		overflow: hidden;

		&::after {
			content: ' ';
			display: block;
			position: absolute;
			width: 100%;
			height: 40px;
			left: 0;
			bottom: 0;
			background-color: white;
			border-radius: 100%;
			transform: translateY(50%);
		}

		.btn-login {
			width: 90%;
			border-radius: 100px;
			margin: 15px 0;
			background-color: #c00000;
		}

		.tips-text {
			font-size: 12px;
			color: gray;
		}
	}
</style>